package collection;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

public class SortPoint {
	public static void main(String[] args) {
		List<Point> list = new ArrayList<>();
		list.add(new Point(5,8));
		list.add(new Point(33,290));
		list.add(new Point(21,52));
		list.add(new Point(45,6));
		list.add(new Point(55,691));
		list.add(new Point(1,21));
		System.out.println("list原始数据："+list);
		
		Collections.sort(list,((o1, o2) -> o1.getY()- o2.getY()));
		
		System.out.println("list排序后的数据："+list);
	}
}
